### Home > CCA2 > Chapter 12 > Lesson 12.1.4 > Problem12-78

12-78.

If $f(x) = 2x^2 - 3$ and $g(x) = x + 1$, find $f(g(x)).$

Substitute $x + 1$ into the equation for $f(x)$,then simplify.

$2x^2 + 4x - 1$